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Cheap flights from London Heathrow Airport to Las Vegas from £236

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London Heathrow Airport to Las Vegas departing on 10/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from London Heathrow Airport to Las Vegas

Cheap return flights

KAYAK's recommended return flight deals from the most popular airlines that fly from London Heathrow Airport to Las Vegas.
17:40 - 17:14LHR-LAS
31h 34m2 stops
06:00 - 13:20LAS-LHR
23h 20m2 stops
£420Air Canada
Find Deal
Mon, 21 Apr - Thu, 8 May
14:10 - 15:48LHR-LAS
33h 38m1 stop
06:00 - 10:00LAS-LHR
20h 00m2 stops
£423Air Canada
Find Deal
Fri, 19 Sep - Mon, 29 Sep
09:30 - 20:54LHR-LAS
19h 24m2 stops
11:04 - 10:50LAS-LHR
15h 46m1 stop
£512Finnair
Find Deal
Thu, 18 Sep - Sun, 21 Sep
09:30 - 20:54LHR-LAS
19h 24m2 stops
11:30 - 11:05LAS-LHR
15h 35m1 stop
£516Finnair
Find Deal
Mon, 22 Sep - Sat, 27 Sep
11:00 - 16:14LHR-LAS
13h 14m1 stop
21:10 - 15:05LAS-LHR
9h 55mdirect
£569Virgin Atlantic
Find Deal
Wed, 30 Apr - Wed, 21 May
17:20 - 20:00LHR-LAS
10h 40mdirect
17:10 - 14:35LAS-LHR
13h 25m1 stop
£574British Airways
Find Deal
Wed, 10 Sep - Thu, 18 Sep
16:35 - 19:20LHR-LAS
10h 45mdirect
23:20 - 06:25LAS-LHR
23h 05m1 stop
£595Virgin Atlantic
Find Deal
Fri, 2 May - Sun, 18 May
11:15 - 21:42LHR-LAS
18h 27m1 stop
00:40 - 06:40LAS-LHR
22h 00m1 stop
£599British Airways
Find Deal
Mon, 28 Apr - Tue, 13 May
17:10 - 19:50LHR-LAS
10h 40mdirect
14:37 - 16:05LAS-LHR
17h 28m1 stop
£602Iberia
Find Deal
Sat, 19 Apr - Thu, 1 May
06:30 - 20:41LHR-LAS
22h 11m2 stops
16:05 - 07:20LAS-LHR
31h 15m1 stop
£613Iberia
Find Deal
Wed, 10 Sep - Mon, 15 Sep

United Airlines flights from London Heathrow Airport to Las Vegas

Our best United Airlines deals on London Heathrow Airport to Las Vegas flight tickets
United Airlines
24 Apr
LHR11:25London Heathrow
20h 34m
2 stops
LAS23:59Las Vegas Harry Reid Intl
29 Apr
LAS07:00Las Vegas Harry Reid Intl
14h 55m
1 stop
LHR05:55London Heathrow
United Airlines
14 May
LHR07:30London Heathrow
20h 59m
2 stops
LAS20:29Las Vegas Harry Reid Intl
20 May
LAS06:00Las Vegas Harry Reid Intl
20h 00m
2 stops
LHR10:00London Heathrow
United Airlines
13 May
LHR09:30London Heathrow
19h 19m
2 stops
LAS20:49Las Vegas Harry Reid Intl
20 May
LAS10:46Las Vegas Harry Reid Intl
35h 44m
2 stops
LHR06:30London Heathrow

SWISS flights from London Heathrow Airport to Las Vegas

Our best SWISS deals on London Heathrow Airport to Las Vegas flight tickets
SWISS
8 May
LHR13:45London Heathrow
35h 05m
1 stop
LAS16:50Las Vegas Harry Reid Intl
13 May
LAS13:39Las Vegas Harry Reid Intl
21h 41m
2 stops
LHR19:20London Heathrow
SWISS
30 Apr
LHR06:00London Heathrow
22h 54m
2 stops
LAS20:54Las Vegas Harry Reid Intl
7 May
LAS15:50Las Vegas Harry Reid Intl
18h 00m
2 stops
LHR17:50London Heathrow
SWISS
12 May
LHR08:40London Heathrow
20h 09m
2 stops
LAS20:49Las Vegas Harry Reid Intl
19 May
LAS19:20Las Vegas Harry Reid Intl
37h 15m
2 stops
LHR16:35London Heathrow

See travel insights to Las Vegas from

How to get the cheapest flight ticket from London Heathrow Airport to Las Vegas

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Las Vegas?

In general, February is the cheapest month to fly from London Heathrow Airport to Las Vegas. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £585. If you’re not able to fly to Las Vegas in February, then January is your next best option. Flight prices from London Heathrow Airport to Las Vegas during January average around £606.

What is the cheapest day to depart on your flight to Las Vegas?

The cheapest day to depart on your flight to Las Vegas is on a Tuesday when prices can be found for as low as £532. This is often the case because there is less demand to fly during this day of the week. On the other hand, Monday is the most expensive day to depart from London Heathrow Airport because it is more convenient for both business and leisure travellers. As a result, prices tend to be around £718.

What is the cheapest time of day to depart on your flight to Las Vegas?

Our data shows that the cheapest London Heathrow Airport to Las Vegas flights are usually those with departure times in the morning. Our users have found flights to Las Vegas in the morning for as low as £461. Flights to Las Vegas are more costly in the afternoon, with an average ticket price of £697. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest London Heathrow to Las Vegas Harry Reid Intl flight route?

Fly from London Heathrow to Las Vegas Harry Reid Intl for the best London Heathrow - Las Vegas Harry Reid Intl flight prices

How far in advance should I book a flight to Las Vegas?

You are more likely to see cheaper flights to Las Vegas from London Heathrow Airport when booking 21 weeks ahead of your departure date. In general, you can expect to find flights to Las Vegas for around £696 when searching 21 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Las Vegas from London Heathrow Airport for as low as £635 on momondo.

What cabin class options are available on London Heathrow to Las Vegas Harry Reid Intl flights?

There are 3 cabin classes available to choose from on London Heathrow to Las Vegas Harry Reid Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have London Heathrow Airport to Las Vegas flight prices changed over time?

As of March 2025, prices for London Heathrow Airport to Las Vegas flights are approximately 27% cheaper when compared to flights at the same time last year.

When to book flights from London Heathrow Airport to Las Vegas

Are you open to changing your travel dates? Check out the ideal times to fly from London Heathrow Airport to Las Vegas according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap London Heathrow Airport to Las Vegas (LHR to LAS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London Heathrow Airport to Las Vegas

Best price found

£236

Fastest flight time

10h 40m

Direct flights

Every day

Airports in Las Vegas

1 airport
The best one-way flight to Las Vegas from London Heathrow Airport in the past 72 hours is £236. The best return flight deal from London Heathrow Airport to Las Vegas found on momondo in the last 72 hours is £420.
The fastest flight from London Heathrow Airport to Las Vegas takes 10h 40m
Direct flights go from London Heathrow Airport to Las Vegas every day.
There is 1 airport near Las Vegas: Las Vegas Harry Reid Intl (LAS)

  • How far is London Heathrow to Las Vegas Harry Reid Intl by plane?

    There are 5207.1 mi between London Heathrow and Las Vegas Harry Reid Intl. In terms of flight time, this usually takes a little over 10h 40m.

  • When did momondo last update prices for flights from London Heathrow Airport to Las Vegas Harry Reid Intl Airport?

    Prices for flights from London Heathrow Airport to Las Vegas Harry Reid Intl Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from London Heathrow Airport to Las Vegas Harry Reid Intl Airport?

  • How old do you have to be to fly from London Heathrow Airport to Las Vegas Harry Reid Intl Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from London Heathrow Airport to Las Vegas Harry Reid Intl Airport.

  • What documentation or ID do you need to fly to Las Vegas Harry Reid Intl Airport?

    The travel and health documents you'll need for your trip to Las Vegas Harry Reid Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Las Vegas Harry Reid Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from London Heathrow Airport to Las Vegas?

  • What is the most popular airline from London Heathrow Airport to Las Vegas?


Best airlines flying from London Heathrow Airport to Las Vegas

Compare and see reviews for airlines that fly from London Heathrow Airport to Las Vegas with momondo
Airline
Rating
Free Cancellation
Price
Norse Atlantic UKPriceFrom £295Free CancellationRating
7.1
45 reviews
Search Norse Atlantic UK flights
WestJetPriceFrom £407Free CancellationRating
7.2
2,788 reviews
Search WestJet flights
United AirlinesPriceFrom £450Free CancellationRating
7.4
8,609 reviews
Search United Airlines flights
IcelandairPriceFrom £466Free CancellationRating
7.0
476 reviews
Search Icelandair flights
British AirwaysPriceFrom £489Free CancellationRating
6.6
6,713 reviews
Search British Airways flights
LufthansaPriceFrom £493Free CancellationRating
6.7
6,957 reviews
Search Lufthansa flights
Air CanadaPriceFrom £496Free CancellationRating
7.0
8,993 reviews
Search Air Canada flights
FinnairPriceFrom £509Free CancellationRating
7.6
1,267 reviews
Search Finnair flights
Aer LingusPriceFrom £509Free CancellationRating
7.0
1,062 reviews
Search Aer Lingus flights
JetBluePriceFrom £515Free CancellationRating
7.3
2,924 reviews
Search JetBlue flights
  • Delta Flights From London Heathrow Airport to Las Vegas

    Delta flies from London Heathrow Airport to Las Vegas around 2 times per week, with 7,895 momondo users rating the airline 8.0/10. The cheapest Delta deal from London Heathrow Airport to Las Vegas in the last 72 hours was £719 (round-trip), much lower than the average airfare cost of £1,054 for Delta flights on this route.

  • KLM Flights From London Heathrow Airport to Las Vegas

    The best KLM deal for London Heathrow Airport to Las Vegas flight tickets found on momondo in the last 72 hours was £677, round-trip. It should be noted that an average KLM flight deal for this route in this time was higher, at £917 round-trip. KLM operates 2 flights out of London Heathrow Airport into Las Vegas in an average week, so prices vary by time and availability. 1,321 KLM reviews by users on momondo have scored the airline at 7.8/10.


Travelling to a place near Las Vegas?

Book flights to Las Vegas if you plan to visit one of these locations
Kingman
Laughlin
Needles
Henderson
Mesquite
Boulder City
Furnace Creek
North Las Vegas
Mount Charleston
Paradise

Why use momondo?

Why should I use momondo to find a flight deal from London to Las Vegas?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from London to Las Vegas . Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from London to Las Vegas with flexible booking policies on momondo?

All flight searches from London to Las Vegas on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from London to Las Vegas?

Once all potential London to Las Vegas flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from London to Las Vegas right now. Can momondo alert me if prices change?

If you are not ready to book a flight from London to Las Vegas now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Las Vegas and let you know when they change.


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